ETK6203 Overview
ETK6203 is an LED Controller/driven on a 1/5 to 1/8 duty factor. 11 segment output lines, 4 grid output lines, 3 segment/grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microputer. Serial data is fed to ETK6203 via a four-line serial interface.